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各类流体成矿系统的全球构造-成矿模式CMF模式:矿床矿体尺度成因模型CMF模式:矿床或矿体尺度结构模型找矿应用或证明中亚造山带中央造山带喜马拉雅-三江中国东部&HY Chen et al.(2000)Modified after HY Chen et al.(2000)and Rui et al.(2002)阿勒泰东准噶尔刊于:Chen YJ(1997)Acta Geologica Sinica,71,69-71.证据证据/应用应用证据与证据与应用应用西准噶尔西天山承担黄金部队项目期间,于1994年采到含金 18.5 克/吨的样品,发现了阿苏沃金矿点。阿苏沃节自新疆天格尔-巴伦台地区找矿预测图(1:50万)(陈衍景,常西临主编,2001)证据与证据与应用应用Distribution of orebodies in the Sawayardun gold orefield,Southwest Chinese Tian Shan证据与证据与应用应用南天山Case studyThe Wangfeng gold DepositSamplestage18OQ18OWDT()B010E12.210.4-79535W01E12.18.5-84423(382452)W04E13.29.2-78403(381503)T38E13.19.1-79403*(W04)W03E,M13.68.9-87373(273426)Average E9.2-81W02M,E12.45.8-96307(241535)W06M,E11.96.5-94348(286381)W10M,E13.56.0-92283(205-457)W11M12.85.7-81294(250357)W12M12.64.5-100294(250357)Average M5.7-93B012L12.61.3-72206T33L13.21.9206Average L1.6-72D and 18O of orefluids of Vein 12()Case studyCase studySamplestage18OQ18OWDT()W18E9.57.9-78550W20M8.02.9-104358(353364)B034-2M8.62.3-95318(B037)B037M9.53.2-94318T96M10.73.2283T71M10.12.4279AveM2.8-98279-358W17M,L8.9-1.6-96220(206364)W19L,E9.3-2.4-85200(140403)B038L8.8-5.8-85160D and 18O of ore fluids of Vein 31()1000lnquartz-water3.38106/T2 Case studyNo.sampleCO2/CH4CH4/COCO2/CO(H2+CH4+CO)/CO213CCO2T91Q of ore4.410.763.370.5226.2T33Q of ore2.313.518.110.5612.2T38Q of ore1020.2323.310.059.4B010E-stage Q vein 1423.645180.01-0.1B012Q of ore2790.0821.50.059.2B34-2Q of ore09.230.11-2.5B038L-stage Q vein58.10.4325.10.060.413C of ore fluids of the Wangfeng gold deposit()No.T-34B034-1B-016T-91B-036T-33T96averageNo.of veins1231123131123134S13.42.712.22.92.811.43.77.05206Pb/204Pb18.22918.40818.14718.44518.38717.22018.30218.302207Pb/204Pb15.56015.57915.48315.60815.56315.42715.57315.545208Pb/204Pb38.02138.23737.88238.28738.15637.17738.16738.108Case study34S()and Lead isotope ratios of ores of the Wangfeng gold depositFluid inclusions of quartz separates from oresRb-Sr isochronISr0.7300;Host-rock(mylonitized granitoids)Rb-Sr isochron age:31010MaISr0.7264Case studyTiming of metallogenesis of the Wangfeng gold depositConclusions:1Ore formed syncollisionally,postdates oceanic closure(322 Ma)by 45 Ma;2Ore metals sourced from crust,esp.SEDIMENTS with high ISrAccording to Li Huaqin et al.(1998)Case study180Ma陈衍景等,2004地质论评NappestructuresModel of W Qinling甘肃阳山超大型矿床
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